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2. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | TEODORO, A. V.; PINTO ZEVALLOS, D. M.; MENESES, M. S.; ARRIGONI BLANK, M. de F.; OLIVEIRA, E. M. C.; SAMPAIO, T. S.; VASCONCELOS, J. F.; BLANK, A. F. Toxicity and repellency of the essential oil from Lippia gracilis to the coconut mite Aceria guerreronis (Acari: Eriophyidae). International Journal of Acarology, v. 47, n.5, p. 414-417, 2021. Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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3. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SANTOS, M. C. dos; TEODORO, A. V.; MENEZES, M. S.; PINTO ZEVALOS, D. M.; ARRIGONI BLANK, M. de F.; OLIVEIRA, E. M. C.; SAMPAIO, T. S.; FARIAS, A. P.; COELHO, C. R.; BLANK, A. F. Bioactivity of essential oil from Lippia gracilis Schauer against two major coconut pest mites and toxicity to a non-target predator. Crop Protection, N. 125, 104913, 2019. Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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4. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MESQUITA, A. L. M.; MONTENEGRO, A. A. T.; MOTA, M. do S. C. de S.; RODRIGUES, S. M. M.; MUNIZ, C. R.; SILVA, G. A. DA; OLIVEIRA, E. M. C. Ocorrência de duas novas espécies de Liogenys em cajueiro: descrição, comportamento e sugestão de manejo. Fortaleza: Embrapa Agroindústria Tropical, 2023. (Embrapa Agroindústria Tropical. Comunicado técnico, 281). ODS 12. Biblioteca(s): Embrapa Agroindústria Tropical. |
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Registro Completo
Biblioteca(s): |
Embrapa Meio Ambiente; Embrapa Solos. |
Data corrente: |
18/05/2004 |
Data da última atualização: |
20/09/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - A |
Autoria: |
PARAIBA, L. C.; CERDEIRA, A. L.; SILVA, E. F. da; MARTINS, J. S.; COUTINHO, H. L. da C. |
Afiliação: |
LOURIVAL COSTA PARAIBA, CNPMA; ANTONIO LUIZ CERDEIRA, CNPMA; ENIO FRAGA DA SILVA, CNPS; Embrapa Solos; HEITOR LUIZ DA COSTA COUTINHO, CNPS. |
Título: |
Evaluation of soil temperature effect on herbicide leaching potential into groundwater in the brazilian cerrado. |
Ano de publicação: |
2003 |
Fonte/Imprenta: |
Chemosphere, Oxford, v. 53, p. 1087-1095, 2003. |
Idioma: |
Inglês |
Conteúdo: |
The effect of annual variations in the daily average soil temperatures, at different depths, on the calculation of pesticide leaching potential indices is presented. This index can be applied to assess the risk of groundwater contamination by a pesticide. It considers the effects of water table depth, daily recharge net rate, pesticide sorption coefficient, and degradation rate of the pesticide in the soil. The leaching potential index is frequently used as a screening indicator in pesticide groundwater contamination studies, and the temperature effect involved in its calculation is usually not considered. It is well known that soil temperature affects pesticide degradation rates, air-water partition coefficient, and water-soil partition coefficient. These three parameters are components of the attenuation and retardation factors, as well as the leaching potential index, and contribute to determine pesticide behavior in the environment. The Arrhenius, van't Hoff, and Clausius-Clapeyron equations were used in this work to estimate the soil temperature effect on pesticide degradation rate, air-water partition coefficient, and water--soil partition coefficient, respectively. The relationship between leaching potential index and soil temperature at different depths is presented and aids in the understanding of how potential pesticide groundwater contamination varies on different climatic conditions. Numerical results will be presented for 31 herbicides known to be used in corn and soybean crops grown on the municipality of São Gabriel do Oeste, Mato Grosso do Sul State, Brazil. MenosThe effect of annual variations in the daily average soil temperatures, at different depths, on the calculation of pesticide leaching potential indices is presented. This index can be applied to assess the risk of groundwater contamination by a pesticide. It considers the effects of water table depth, daily recharge net rate, pesticide sorption coefficient, and degradation rate of the pesticide in the soil. The leaching potential index is frequently used as a screening indicator in pesticide groundwater contamination studies, and the temperature effect involved in its calculation is usually not considered. It is well known that soil temperature affects pesticide degradation rates, air-water partition coefficient, and water-soil partition coefficient. These three parameters are components of the attenuation and retardation factors, as well as the leaching potential index, and contribute to determine pesticide behavior in the environment. The Arrhenius, van't Hoff, and Clausius-Clapeyron equations were used in this work to estimate the soil temperature effect on pesticide degradation rate, air-water partition coefficient, and water--soil partition coefficient, respectively. The relationship between leaching potential index and soil temperature at different depths is presented and aids in the understanding of how potential pesticide groundwater contamination varies on different climatic conditions. Numerical results will be presented for 31 herbicides known to be used in corn a... Mostrar Tudo |
Palavras-Chave: |
Água subterrânea; Índice. |
Thesagro: |
Agrotóxico; Cerrado; Contaminação; Herbicida; Impacto ambiental; Lixiviação; Pesticida; Solo; Temperatura; Temperatura do Solo. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/163813/1/Paraiba-Evaluation-6433.pdf
|
Marc: |
LEADER 02483naa a2200313 a 4500 001 1015085 005 2017-09-20 008 2003 bl uuuu u00u1 u #d 100 1 $aPARAIBA, L. C. 245 $aEvaluation of soil temperature effect on herbicide leaching potential into groundwater in the brazilian cerrado.$h[electronic resource] 260 $c2003 520 $aThe effect of annual variations in the daily average soil temperatures, at different depths, on the calculation of pesticide leaching potential indices is presented. This index can be applied to assess the risk of groundwater contamination by a pesticide. It considers the effects of water table depth, daily recharge net rate, pesticide sorption coefficient, and degradation rate of the pesticide in the soil. The leaching potential index is frequently used as a screening indicator in pesticide groundwater contamination studies, and the temperature effect involved in its calculation is usually not considered. It is well known that soil temperature affects pesticide degradation rates, air-water partition coefficient, and water-soil partition coefficient. These three parameters are components of the attenuation and retardation factors, as well as the leaching potential index, and contribute to determine pesticide behavior in the environment. The Arrhenius, van't Hoff, and Clausius-Clapeyron equations were used in this work to estimate the soil temperature effect on pesticide degradation rate, air-water partition coefficient, and water--soil partition coefficient, respectively. The relationship between leaching potential index and soil temperature at different depths is presented and aids in the understanding of how potential pesticide groundwater contamination varies on different climatic conditions. Numerical results will be presented for 31 herbicides known to be used in corn and soybean crops grown on the municipality of São Gabriel do Oeste, Mato Grosso do Sul State, Brazil. 650 $aAgrotóxico 650 $aCerrado 650 $aContaminação 650 $aHerbicida 650 $aImpacto ambiental 650 $aLixiviação 650 $aPesticida 650 $aSolo 650 $aTemperatura 650 $aTemperatura do Solo 653 $aÁgua subterrânea 653 $aÍndice 700 1 $aCERDEIRA, A. L. 700 1 $aSILVA, E. F. da 700 1 $aMARTINS, J. S. 700 1 $aCOUTINHO, H. L. da C. 773 $tChemosphere, Oxford$gv. 53, p. 1087-1095, 2003.
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Embrapa Meio Ambiente (CNPMA) |
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